((( Complete the text with the correct form of the verbs in brackets to make zero or first conditional sentences.
If you (1) (look) up at the sky tonight, what (2) (you see)? Well, if the moon (3) (be) bright, or if you (4) (live) in a city you (5) (not see) much, but if there (6) (not be) any clouds and the sky is dark, you (7) (see) thousands of stars Ifyou (8) (be) lucky, there (9) (be) some shooting stars .They are stars which look like they are falling from the sky. But, if you (10) (see) a star that is moving slowly, it probably isn't a star at all, just a satellite going round the world.